val request = Request.Builder()
            .url("https://publicobject.com/helloworld.txt")
            .build()

        client.newCall(request).execute().use { response ->
          if (!response.isSuccessful) throw IOException("Unexpected code $response")

          for ((name, value) in response.headers) {
            println("$name: $value")
          }

          println(response.body!!.string())
        }
      }

        }
    }

    public void addClient(final String regex, final CrawlerClient client) {
        if (StringUtil.isBlank(regex)) {
            throw new CrawlerSystemException("A regular expression is null.");
        }
        if (client == null) {
            throw new CrawlerSystemException("CrawlerClient is null.");
        }
        clientMap.put(Pattern.compile(regex), client);
    }

    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the {@code RangeSet} unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public void removeAll(RangeSet<C> other) {
    throw new UnsupportedOperationException();
  }

          MILLISECONDS.sleep(DELAY_MS);
          throw new SampleException();
        }
      };
  private static final Runnable GOOD_RUNNABLE =
      new Runnable() {
        @Override
        public void run() {
          try {
            MILLISECONDS.sleep(DELAY_MS);
          } catch (InterruptedException e) {
            throw new RuntimeException(e);
          }
        }
      };

                            break;
                        default:
                            throw new SmbException( "Invalid operation for " + service + " service" );
                    }
                    break;
                default:
                    throw new SmbException( "Invalid operation for " + service + " service" + request );
            }
        }
        request.tid = tid;

    public void formatProgress(StringBuilder builder, long progressedSize, long size) {
        if (progressedSize < 0L) {
            throw new IllegalArgumentException("progressed file size cannot be negative: " + size);
        }
        if (size >= 0 && progressedSize > size) {
            throw new IllegalArgumentException(
                    "progressed file size cannot be greater than size: " + progressedSize + " > " + size);
        }

      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      assertContentsInOrder(list, "a", "c", "b");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      assertContentsInOrder(list, "a", "B", "c");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }

  public void testAssertContains() {

      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      assertContentsInOrder(list, "a", "c", "b");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      assertContentsInOrder(list, "a", "B", "c");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }

  public void testAssertContains() {

     */
    @SuppressWarnings ( "unchecked" )
    public <T extends Decodable> T getInfo ( Class<T> clazz ) throws CIFSException {
        if ( !clazz.isAssignableFrom(this.info.getClass()) ) {
            throw new CIFSException("Incompatible file information class");
        }
        return (T) getInfo();
    }


    /**
     * {@inheritDoc}
     *

  final UnmodifiableIterator<Cell<R, C, V>> cellIterator() {
    throw new AssertionError("should never be called");
  }

  @Override
  public ImmutableCollection<V> values() {
    return (ImmutableCollection<V>) super.values();
  }

  @Override
  abstract ImmutableCollection<V> createValues();

  @Override
  final Iterator<V> valuesIterator() {
    throw new AssertionError("should never be called");
  }